Hot rolled steel and a method of manufacturing thereof

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United States of America Patent

PATENT NO 12123081
SERIAL NO

17413638

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Abstract

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A hot rolled steel having a composition including the following elements, expressed in percentage by weight:

    15%≤Nickel≤25%6%≤Cobalt≤12%2%≤Molybdenum≤6%0.1%≤Titanium≤1%0.0001%≤Carbon≤0.03%0.002%≤Phosphorus≤0.02%0%≤Sulfur≤0.005%.0%≤Nitrogen≤0.01%and can contain one or more of the following optional elements0%≤Aluminum≤0.1%0%≤Niobium≤0.1%0%≤Vanadium≤0.3%0%≤Copper≤0.5%0%≤Chromium≤0.5%the remainder composition being composed of iron and unavoidable impurities caused by processing, the microstructure of said steel sheet comprising in area fraction, 20% to 40% Tempered Martensite, at least 60% of Reverted Austenite and inter-metallic compounds of Molybdenum, Titanium and Nickel.

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Patent Owner(s)

Patent OwnerAddress
ARCELORMITTALLUXEMBURG LUXEMBURG CITY LUXEMBOURG LUXEMBOURG

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Duprez, Lode Gentbrugge, BE 12 2
Moli, Sanchez Laura Ghent, BE 3 0
Van, Steenberge Nele Ghent, BE 8 2
Waterschoot, Tom Lokeren, BE 8 22

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